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The X proteins of bornaviruses interfere with type I interferon signalling #MMPMID23100370
Wensman JJ; Munir M; Thaduri S; Hornaeus K; Rizwan M; Blomstrom AL; Briese T; Lipkin WI; Berg M
J Gen Virol 2013[Feb]; 94 (Pt 2): 263-269 PMID23100370show ga
Borna disease virus (BDV) is a neurotropic, negative-stranded RNA virus causing persistent infection and progressive neurological disorders in a wide range of warm-blooded animals. The role of the small non-structural X protein in viral pathogenesis is not completely understood. Here we investigated whether the X protein of BDV and avian bornavirus (ABV) interferes with the type I interferon (IFN) system, similar to other non-structural proteins of negative-stranded RNA viruses. In luciferase reporter assays, we found that the X protein of various bornaviruses interfered with the type I IFN system at all checkpoints investigated, in contrast to previously reported findings, resulting in reduced type I IFN secretion.
|*Immune Evasion[MESH]
|Animals[MESH]
|Bornaviridae/*immunology/*pathogenicity[MESH]
|Cell Line[MESH]
|Epithelial Cells/immunology/virology[MESH]
|Genes, Reporter[MESH]
|Humans[MESH]
|Interferon Type I/*antagonists & inhibitors[MESH]